3-36V 60W Adjustable Power Supply (with schematic) @DiodeGoneWild
3-36V 60W Adjustable Power Supply (with schematic) @DiodeGoneWild
Uploaded July 2024 | Updated September 2026, 2 weeks ago
Testing a 3-36V 60W adjustable switching power supply KJS-1509 made by Kejiesheng. It's in a laptop power supply shaped box with a potentiometer and a built in 3 digit LED display voltmeter. Let's see if it's any good, what's inside, how safe (or dangerous) it is and how does it work, including the full reverse engineered schematic.

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3-36V 60W Adjustable Power Supply (with schematic)

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